Firstly I would suggest you to prefer NCERT books as it will help you to clear the concepts. The other books you can prefer given below:

Best Biology Books

    Moderns ABC of Biology for XI & XII – B. B. Arora, A. K. Sabharwal- Modern Publishers
    Exploring Biology (Vol 1 & 2) – Sanjay Sharma & Sudhakar Banerjee – Arihant Publications
    Objective Biology (Vol 1, 2 & 3) – K. N. Bhatia / K. Bhatia – Dinesh Publications
    Medical Entrances Biology (Vol 1, 2 & 3) – Mamta R. Solanki & Lalita Ghotik – Target Publications

Best Physics Books

    The Concept of Physics by HC Verma
    Objective Physics by Prof. Satya Prakash Arya (MTG Publishers)
    NCERT Physics by Anil Aggarwal
   

Best Chemistry Books

    Physical Chemistry by OP Tandon (G. R. Bathla Publications)
    Objective Chemistry (Set of 3 Vols) (S. Dinesh & Co.)
    Modern’s ABC of Chemistry (Part 1 & 2)

Good Luck!